Michael F. Holick, PhD, MD

Michael F. Holick, PhD, MD, professor of medicine, physiology and biophysics…director of the General Clinical Research Unit…and director of the Bone Health Care Clinic at Boston University Medical Center.He is author of The Vitamin D Solution. DrHolick.com


How Vitamin D Helps Protect Against COVID-19 and More

Optimal levels of vitamin D offer protection against many health threats, including COVID-19. But how much do you need to stay healthy?


The Vital Vitamin D/COVID-19 Connection—Sarah Hiner Talks to Michael F. Holick, MD, PhD, Author of The Vitamin D Solution

Vitamin D—a simple, everyday and inexpensive vitamin supplement—could significantly reduce your risk of getting and dying from COVID.


More Sun, Longer Life?

Let the sunshine in. It’s good for the heart, according to a new study. It’s no excuse to start sunbathing…

Dental Health

Do This Before You Brush Your Teeth

Oil pulling for sturdy gums and teeth sounds like a complicated (possibly painful!) procedure, but it’s really quite easy and…


The Truth About Sunshine

Are we going overboard by avoiding it all the time? It’s a gorgeous summer morning, so you step outside to…

Vitamins & Minerals

The Truth About Vitamin D

Low blood levels of vitamin D have been linked to many diseases including osteoporosis, heart disease, cancer, type 2 diabetes,…


Use Natural Light to Improve Your Health

How Light Affects Your Health, Day and Night As days lengthen through spring my thoughts often turn to... light. Every…

Vitamins & Minerals

Misguided Guidelines on Vitamin D?

To me, it seemed to take a long time for the Institute of Medicine (IOM), which sets the recommended dietary…


Foggy and Forgetful? The Problem Could Lie in the Liver

A woman started making so many mistakes at work that despite her decade of supercompetent service to the company, she…